Icon for a portion of a display screen



FIG. 1 is a front view of an icon for a portion of a display screen;and,

FIG. 2 is an enlarged view thereof, the icon is shown separately forclarity of illustration.

The portion of the display screen shown in broken lines in FIG. 1 is forillustrative purposes only and forms no part of the claimed design.

The ornamental design for an icon for a portion of a display screen, asshown and described.